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There are many kinds of nerve injuries, ranging from mild nerve compression lesions to severe nerve trunk cuts. Injuries to the brachial plexus present a tough challenge, where nerve roots can be torn or even avulsed from the spinal cord. Making a prompt and accurate diagnosis of a nerve injury is crucial. For the surgeon to make good decisions about nerve repair and reconstruction, they need to know about the anatomy and neurobiology of the peripheral nerve trunk and how injury changes neurons and Schwann cells. The technique of peripheral nerve restoration contains four critical processes (preparation of nerve ending,...

The vagus nerves transmit messages between the brain, heart, and digestive systems. Your parasympathetic nerves play an essential role in your body. Gastroparesis, in which food does not enter the intestines, can be caused by injury to the vagus nerve. Those with vasovagal syncope may experience fainting episodes due to low blood pressure. It has been found that stimulating the vagus nerve (VNS) can help those suffering from epilepsy and depression. What is the Vagus Nerve? The vagus nerve, or vagal nerves, are the primary afferent nerves of the parasympathetic division of the autonomic nervous system. Digestion, heart rate, and...

Neurons form a vast and intricate network that makes up the nervous system. Their links, or synapses, are spread throughout the entire organism. The senses of sight, hearing, smell, taste, touch, and pain are all picked up by the nervous system and relayed to the rest of the body. It's easy to damage the neurological system. It's vulnerable to harm, and it's hard to repair if at all possible. This makes it hard for the brain to get and send signals to the muscles and senses of the body. Pain, weakness, tingling, numbness, and even blood circulation changes are symptoms...

Your doctor will ask if you've been hurt or had surgery recently, look at your medical records, and talk to you about how you're feeling right now. In addition, your doctor will check your nervous system and do a physical checkup. If your neurological exam shows signs of a nerve injury, your doctor may suggest diagnostic tests, such as: Electromyography (EMG). An electromyogram (EMG) measures the electrical activity of a muscle while it is at rest and in motion using a small needle electrode placed into the muscle. Muscle weakness may be an indication of nerve damage. Nerve conduction study....